some docs

modules/ingress/ingress.tf

@@ -17,6 +17,7 @@ variable "kubernetes_input" {
 
 variable "default_middlewares" {
   type    = string
+  description = "To cross namespace boundaries in Traefik, you must use the @kubernetescrd suffix along with the namespace name using the format: namespace-middlewarename@kubernetescrd."
   default = "traefik-https-redirect@kubernetescrd,traefik-ratelimit@kubernetescrd"
 }
 

modules/middlewares/middlewares.tf

@@ -15,7 +15,7 @@ resource "kubernetes_manifest" "traefik_Middleware_ratelimit" {
     }
   }
 }
-
+#To cross namespace boundaries in Traefik, you must use the @kubernetescrd suffix along with the namespace name using the format: namespace-middlewarename@kubernetescrd.
 resource "kubernetes_manifest" "traefik_Middleware_https-redirect" {
   manifest = {
     "apiVersion" = "traefik.io/v1alpha1"